The number of pages varies greatly and there isn't a 'perfect'
number. From a 'value for money' point of view we generally say you
should aim for at least 20,000 words. That's around 60 pages.
However, you will see many books that are 20 pages or le...

We recommend an absolute minimum of 20-25 pages. What it really comes
down to is the content though. With some topics you can provide
complete and concise information in a small number of pages. As an
example, if you had discovered a way to turn coal into...

A pen name isn't something that everyone needs. It can be useful if,
for example, you want to write on multiple topics but you want to be
recognised mainly for a specific subject. For example you might write
mainly about business and also want to write ch...